Wrap-Around Climbing Stick Structure for Stable Tree Attachment

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Solution Overview

Problem

Existing treestand systems are heavy, bulky, noisy, and prone to catastrophic failure, with unstable attachment to trees causing safety concerns and balance issues during climbing.

Innovation Solution

A treestand system featuring a monolithic platform and climbing sticks made from strengthened materials, such as aluminum alloys, with integrated tree engaging structures and tubular frames, designed using CNC machining for weight reduction and enhanced stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Weight of moving object

If treestand systems are made from lightweight materials with welded construction, then weight is reduced, but noise increases and structural reliability deteriorates

Engineering Contradiction:

Improvetreestand system weightVSAvoidstructural reliability

Core Design Contradiction:

Weight of moving objectVSReliability

Solution Approach 1:

The patent employs composite construction by integrating metal components (tubular frame, platform) with foam material filled enclosures. The foam material provides damping and noise reduction while the metal structure maintains strength and reliability. This composite approach allows the use of lighter materials while compensating for reduced structural integrity through the damping properties of the foam material.

Inventive Principle:

Principle #40Composite materials

2Object-affected harmful factors

If cast metal platforms are used to minimize weld points, then noise from flexing materials is reduced, but the platform becomes larger and heavier

Engineering Contradiction:

Improvenoise from flexing materialsVSAvoidplatform weight

Core Design Contradiction:

Object-affected harmful factorsVSWeight of moving object

Solution Approach 1:

The patent uses thin-walled tubular metal structures with foam material filling to create platforms that are both lightweight and noise-resistant. The foam material acts as a damping medium that prevents the flexing and noise associated with thin metal walls, while the tubular structure maintains sufficient strength without requiring heavy casting.

Inventive Principle:

Principle #30Flexible shells and thin films

3Ease of operation

If traditional tree engaging features are used, then climbing stick can be secured to tree, but downward shifts cause climber balance issues and safety concerns

Engineering Contradiction:

Improveclimbing stick attachmentVSAvoidclimber safety

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent incorporates adjustable and movable tree engaging features that can adapt to different tree diameters and shapes. The engaging features include movable jaws or clamps that can be adjusted to maintain optimal contact pressure and positioning, preventing downward shifts and ensuring climber safety throughout the climbing process.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20250268245A1Climbing Stick With Wrap-Around Step And Tree Engaging Structure

Publication Date: 2025.08.28 HBTEK INC

AI summary

A climbing system includes a treestand and a plurality of climbing sticks. The treestand includes a monolithic platform formed from strengthened material. Each of the climbing sticks includes a frame having a plurality of weight-reduction apertures formed therethrough. Tree engaging structures include ramped surfaces to facilitate smooth downward sliding on a tree. Methods of manufacturing a treestand and climbing sticks are also disclosed. The method of manufacturing a treestand includes providing a solid, strengthened piece of material and removing portions of the material to form openings between structural supports. The method of manufacturing a climbing stick includes providing a frame and forming a plurality of weight-reduction apertures therethrough.